There might be the nuance that there are many species of ants and flies, though still idk if any one of them outdoes humans, their pets and chickens.
Wikipedia’s page on biomass says that ants can compete with humans in global biomass (though the estimates vary wildly), but there are 15700 species of ants.
Antarctic krill is the safest bet with shittons of them in just one species.
There might be the nuance that there are many species of ants and flies, though still idk if any one of them outdoes humans, their pets and chickens.
Wikipedia’s page on biomass says that ants can compete with humans in global biomass (though the estimates vary wildly), but there are 15700 species of ants.
Antarctic krill is the safest bet with shittons of them in just one species.